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Prefix Free Usage Statistics

Top 10k

Top 100k

Top 1m

All Internet

Lets you use only unprefixed CSS properties everywhere.

https://leaverou.github.io/prefixfree/

Prefix Free Customers

Get access to data on 175,206 websites that are Prefix Free Customers. We know of 60,328 live websites using Prefix Free and an additional 114,878 sites that used Prefix Free historically and 27,925 websites in the United States.

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Get a list of 175,206 websites using Prefix Free which includes location information, hosting data, contact details, 60,328 currently live websites and an additional 37,088 domains that redirect to sites in this list. 114,878 sites that used this technology previouslyand 27,925 websites in the United States currently using Prefix Free.

Site Totals

Total Live: 60,328
37,088 additional website redirects^?.
USA Live Sites: 27,925
Live and Historical: 175,206

Top 1m: 0.13%
1,254
Top 100k: 0.3%
299
Top 10k: 0.36%
36

Countries

Financial

Group

African Union: 670
Arab League: 326
Asia-Pacific Economic Cooperation: 37,940
Assembly of European Regions: 10,506
Association of Caribbean State Members: 588
Association of Southeast Asian Nations: 721
Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation: 1,793
Caribbean Community Members: 26
Caribbean Free Trade Association: 21
Central American Integration System: 54
Central European Free Trade Agreement Members: 98
Club de Paris: 46,090
Commonwealth of Independent States Members: 1,977
Commonwealth of Nations: 5,616
Community of Portuguese Language Countries: 1,708
Council of Europe: 15,054
Development Assistance Committee: 44,660
East African Community: 66
Eastern Partnership: 10,295
EC Inner Six: 6,487
EC Outer Seven: 3,257
Economic Cooperation Organization: 1,034
Eurasian Economic Union: 1,913
Euronest Parliamentary Assembly: 10,209
European Economic Area: 10,052
European Free Trade Association: 783
European Union: 9,949
European Union, European Economic Area and Switzerland: 10,732
Federation of Euro-Asian Stock Exchanges: 1,358
G2 Nations: 29,914
G20 Nations: 48,297
G7 Nations: 36,596
Global Governance Group: 1,756
Group of 77: 8,042
GUAM Organization for Democracy and Economic Development: 289
Gulf Cooperation Council: 168
IBSA Dialogue Forum: 3,400
International Solar Alliance: 39,206
Interparliamentary Assembly on Orthodoxy: 4,021
Majority German-speaking states of Central Europe: 3,855
North Atlantic Treaty Organization: 40,393
Organisation for Economic Co-operation and Development: 46,035
Organisation of Eastern Caribbean States: 49
Organisation of Islamic Cooperation: 1,825
Organization of American States: 31,600
Organization of Ibero-American States: 3,472
Organization of the Black Sea Economic Cooperation: 2,923
Organization of the Petroleum Exporting Countries: 579
Organization of Turkic States: 643
Pacific Alliance: 797
Shanghai Cooperation Organisation: 5,516
South Asian Association for Regional Cooperation: 1,737
Southern African Development Community: 317
Southern Common Market: 1,888
Sovereign states and dependent territories of North America: 29,314
Union of South American Nations: 26
Visegrad Group: 1,422

Region

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